[PATCH] D88920: [AMDGPU] Use default zero flag operands in flat scratch

[Stanislav Mekhanoshin via Phabricator via llvm-commits]

rampitec created this revision.
rampitec added a reviewer: arsenm.
Herald added subscribers: kerbowa, hiraditya, t-tye, tpr, dstuttard, yaxunl, nhaehnle, jvesely, kzhuravl.
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rampitec requested review of this revision.
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This is no-op so far because we do not select these yet.


https://reviews.llvm.org/D88920

Files:
  llvm/lib/Target/AMDGPU/FLATInstructions.td


Index: llvm/lib/Target/AMDGPU/FLATInstructions.td
===================================================================
--- llvm/lib/Target/AMDGPU/FLATInstructions.td
+++ llvm/lib/Target/AMDGPU/FLATInstructions.td
@@ -238,8 +238,8 @@
   opName,
   (outs regClass:$vdst),
   !if(EnableSaddr,
-      (ins SReg_32_XEXEC_HI:$saddr, flat_offset:$offset, GLC:$glc, SLC:$slc, DLC:$dlc),
-      (ins VGPR_32:$vaddr, flat_offset:$offset, GLC:$glc, SLC:$slc, DLC:$dlc)),
+      (ins SReg_32_XEXEC_HI:$saddr, flat_offset:$offset, GLC_0:$glc, SLC_0:$slc, DLC_0:$dlc),
+      (ins VGPR_32:$vaddr, flat_offset:$offset, GLC_0:$glc, SLC_0:$slc, DLC_0:$dlc)),
   " $vdst, "#!if(EnableSaddr, "off", "$vaddr")#!if(EnableSaddr, ", $saddr", ", off")#"$offset$glc$slc$dlc"> {
   let has_data = 0;
   let mayLoad = 1;
@@ -254,8 +254,8 @@
   opName,
   (outs),
   !if(EnableSaddr,
-    (ins vdataClass:$vdata, SReg_32_XEXEC_HI:$saddr, flat_offset:$offset, GLC:$glc, SLC:$slc, DLC:$dlc),
-    (ins vdataClass:$vdata, VGPR_32:$vaddr, flat_offset:$offset, GLC:$glc, SLC:$slc, DLC:$dlc)),
+    (ins vdataClass:$vdata, SReg_32_XEXEC_HI:$saddr, flat_offset:$offset, GLC_0:$glc, SLC_0:$slc, DLC_0:$dlc),
+    (ins vdataClass:$vdata, VGPR_32:$vaddr, flat_offset:$offset, GLC_0:$glc, SLC_0:$slc, DLC_0:$dlc)),
   " "#!if(EnableSaddr, "off", "$vaddr")#", $vdata, "#!if(EnableSaddr, "$saddr", "off")#"$offset$glc$slc$dlc"> {
   let mayLoad  = 0;
   let mayStore = 1;


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